階かい層そう木き構こう造ぞうMeaningsNoun1. hierarchical tree structureKanji used階floor (of a building)層layer木tree構be concerned about造createComposed of階かい層そうclass; level; stratum; layer; hierarchyNoun木きtree; shrub; bush; wood; timber; wooden clappers (signalling the beginning or end of a performance)Noun構こう造ぞうstructure; construction; makeup; framework; organization; patternNoun